This is the MOS where the large steps split 2-1-1-2-1-1-2-1-1-1 between the small steps. Its generator is a submajor third between 7/23edo and 4/13edo (365.217 and 369.231 cents) and it is the major quartertone scale of the Modi Sephiratorum and the quartertone scale of Unidec temperament.